World takes precautions
A hand sanitizer machine is seen at the student recreation center at Texas Christian University in Fort Worth, Texas. Multiple confirmed cases of swine flu have been reported at the private university. Health and Human Services Secretary Kathleen Sebelius said Tuesday that a massive school closing wouldn't stop the spread of the swine flu virus, saying vaccinations must be the defense against a menace that one report said could infect up to half of the population. AP Photo/Mike Fuentes
